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Smoke Alarm Model Ei 105R Optical High sensitivity - responds to all standard fires Senses smoke using the light scatter principle, giving a quick response to visible smouldering fires Supply voltage 10.2 to 14 volts Relay Contacts (Normally open and closed) Interconnect up to 12 alarms Test button Kitemarked to BS5446-1:2000 5 year guarantee Product Description The Ei105R is an Optical Smoke Alarm that that is designed to operate with suitable 12 volt control panels and to provide a loud local alarm. Optical smoke alarms use the light scatter principle to detect smoke particles entering the optical chamber within the alarm. Optical sensing technology gives a rapid response to visible smouldering fires. The Ei105R is easily installed and comes supplied with all necessary screw fixings. Relay contacts (normally open and closed supplied) are available for triggering the panel itself and its associated ancillary products, such as extra loud sirens, magnetic door holders, etc. Operation • The smoke detector will activate the built in sounder upon sensing smoke particles • The smoke detector will automatically reset itself and silence the sounder when smoke particles are no longer present in the sensing chamber • The built in sounder will provide a minimum sound output of 85dB at 3m • In “Test” button will perform a self test and sound the horn (it may take up to 10 seconds) • Interconnect up to 12 other alarms (9V ionisation, optical or heat) when one senses sm...